these 5 derivations will be built:
  /nix/store/75zvxam1b0gahf6s8yd1ic91p4m3bzaq-vendor-registry.drv
  /nix/store/8r2bi53qvbmdgnmm5g120zkvlmp0vrj0-vendor-cargo-deps.drv
  /nix/store/fbzfmqlh41b0sl5pkmnninf2nw6s0syq-source.drv
  /nix/store/icf4xhzjiwy91aw15lf6pmp1wk9xmwpr-harmonia-deps-3.1.0.drv
  /nix/store/gmpvhwn8rqby5jgfajrkf8w46j5vma4g-harmonia-3.1.0.drv